| Cwmbran to Orthez | 573.73 mi (923.34 km) |
| Cwmbran to Orvault | 309.15 mi (497.53 km) |
| Cwmbran to Osny | 286.83 mi (461.60 km) |
| Cwmbran to Ostwald | 521.13 mi (838.68 km) |
| Cwmbran to Ouistreham | 204.08 mi (328.44 km) |
| Cwmbran to Oullins | 543.33 mi (874.41 km) |
| Cwmbran to Outreau | 210.33 mi (338.49 km) |
| Cwmbran to Oyonnax | 541.55 mi (871.55 km) |
| Cwmbran to Ozoir-la-Ferriere | 320.77 mi (516.22 km) |
| Cwmbran to Pace | 248.45 mi (399.85 km) |
| Cwmbran to Palaiseau | 308.92 mi (497.15 km) |
| Cwmbran to Pamiers | 628.04 mi (1,010.73 km) |
| Cwmbran to Panazol | 447.37 mi (719.97 km) |
| Cwmbran to Pantin | 305.82 mi (492.17 km) |
| Cwmbran to Paray-le-Monial | 483.00 mi (777.31 km) |
